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Severity levels greater than 25 are interpreted as 25. Caution Severity levels from 20 through 25 are considered fatal. Yes No Additional feedback? 1500 characters remaining Submit Skip this Thank you! Using FORMATMESSAGE with THROWThe following example shows how to use the FORMATMESSAGE function with THROW to throw a customized error message. After I declare the variables, I include two PRINT statements that display the values of the @ErrorNumber and @ErrorLine variables (along with some explanatory text). http://evasiondigital.com/sql-server/throw-error-in-t-sql.php

However, to demonstrate how to handle errors, we need to add one more element to our table: a check constraint that ensures the SalesLastYear value is never less than zero. As you can see in Listing 12, the message numbers and line numbers now match. And also it returns correct error number and line number. As long as all procedures are using TRY-CATCH and likewise all client code is using exception handling this is no cause for concern.

Sql Throw Exception In Stored Procedure

Output a googol copies of a string Why don't miners get boiled to death at 4 km deep? As with RAISERROR() you've to provide mandatory params, so there is no way to get the actual position of Line where the error occurred. Union vs Union All 6. Since I don't have a publisher, I need to trust my readership to be my tech editors and proof-readers. :-) If you have questions relating to a problem you are working

If there is an active transaction you will get an error message - but a completely different one from the original. Let's add an outer procedure to see what happens when an error is reraised repeatedly: CREATE PROCEDURE outer_sp @a int, @b int AS SET XACT_ABORT, NOCOUNT ON BEGIN TRY EXEC insert_data It's very usefull. Incorrect Syntax Near Throw Expecting Conversation You don't have to be in the CATCH block to call error_message() & co, but they will return exactly the same information if they are invoked from a stored procedures that

state is tinyint.RemarksThe statement before the THROW statement must be followed by the semicolon (;) statement terminator.If a TRY…CATCH construct is not available, the session is ended. In theory, these values should coincide. Does the last note mean that Microsoft intend to make the raiserror function deprecated in the future? More Bonuses As you see the TRY block is entered, but when the error occurs, execution is not transferred to the CATCH block as expected.

I cover these situations in more detail in the other articles in the series. Throw Exception In Sql Server 2008 In the first case, only the line number is wrong. On the next line, the error is reraised with the RAISERROR statement. NO.

Sql Server Throw Vs Raiserror

Get started Top rated recent articles in Database Administration Azure SQL Data Warehouse: Explaining the Architecture Through System Views by Warner Chaves 0 SQL Server Access Control: The Basics by For a list of acknowledgements, please see the end of Part Three. Sql Throw Exception In Stored Procedure Above, I've used a syntax that is a little uncommon. Incorrect Syntax Near Throw You’ll be auto redirected in 1 second.

ERROR_PROCEDURE(): The name of the stored procedure or trigger that generated the error. I have Googled it and checked the questions on StackOverflow but the solutions proposed (and strangely, accepted) do not work for me. When you activate XACT_ABORT ON, almost all errors have the same effect: any open transaction is rolled back and execution is aborted. http://evasiondigital.com/sql-server/throw-error-sql.php THROW was introduced in the language to allow the exception handling to re-throw the original error information.

But notice that the actual error number (547) is different from the RAISERROR message number (50000) and that the actual line number (9) is different from the RAISERROR line number (27). Invalid Use Of A Side-effecting Operator 'throw' Within A Function. Primary Key vs Unique Key 10. GO See AlsoDECLARE @local_variable (Transact-SQL)Built-in Functions (Transact-SQL)PRINT (Transact-SQL)sp_addmessage (Transact-SQL)sp_dropmessage (Transact-SQL)sys.messages (Transact-SQL)xp_logevent (Transact-SQL)@@ERROR (Transact-SQL)ERROR_LINE (Transact-SQL)ERROR_MESSAGE (Transact-SQL)ERROR_NUMBER (Transact-SQL)ERROR_PROCEDURE (Transact-SQL)ERROR_SEVERITY (Transact-SQL)ERROR_STATE (Transact-SQL)TRY...CATCH (Transact-SQL) Community Additions ADD Show: Inherited Protected Print Export (0) Print Export

We saw one such example in the previous section where we learnt that TRY-CATCH does not catch compilations errors in the same scope.

More importantly, if you leave out the semicolon before THROW this does not result in a syntax error, but in a run-time behaviour which is mysterious for the uninitiated. Here, I will only point out one important thing: your reaction to an error raised from SQL Server should always be to submit this batch to avoid orphaned transactions: IF @@trancount The severity parameter specifies the severity of the exception. Incorrect Syntax Near Raiseerror EXEC insert_data 8, NULL EXEC outer_sp 8, 8 This results in: Msg 50000, Level 16, State 2, Procedure error_handler_sp, Line 20 *** [insert_data], Line 5.

Let's see step by step how we can use RAISERROR command as well as new THROW command. Not the answer you're looking for? How do I respond to the inevitable curiosity and protect my workplace reputation? useful reference Essential Commands TRY-CATCH SET XACT_ABORT ON General Pattern for Error Handling Three Ways to Reraise the Error Using error_handler_sp Using ;THROW Using SqlEventLog Final Remarks End of Part One Revision History

Always rolling back the transaction in the CATCH handler is a categorical imperative that knows of no exceptions. Varchar vs Varchar(MAX) 3. You can just as easily come up with your own table and use in the examples. But RAISERROR() will show the line number where the RAISERROR statement was executed i.e.